Selected medicinal and edible herbal fermentation broth, consisting of sour jujube kernels, Ophiopogon japonicus, and Eucommia ulmoides kernels, with a professional testing report (report name: Mianyue Drink); The fermentation broth is light in color and odorless, without changing the original color and taste of the tea drink. It is delicious and healthy, with the taste of milk tea and the efficacy of herbal tea~